#2A3578#2A3578

#2A3578 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.0% C 0.114 H 272.3°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#2A3578
RGB	rgb(42, 53, 120)
HSL	hsl(232, 48%, 32%)
HSV	hsv(232, 65%, 47%)
CMYK	cmyk(65%, 55.8%, 0%, 52.9%)
CIE-LAB	lab(24.93, 18.32, -39.83)
CIE-LCH	lch(24.93, 43.84, 294.70°)
OKLab	oklab(35.99% 0.0047 -0.1143)
OKLCH	oklch(35.99% 0.114 272.3)
XYZ	xyz(5.6170, 4.3940, 18.3178)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3578 #786D2A

analogous

#2A5C78 #2A3578 #462A78

triadic

#2A3578 #782A35 #35782A

tetradic

#2A3578 #782A5C #786D2A #2A7846

square

#2A3578 #782A5C #786D2A #2A7846

split-complementary

#2A3578 #78462A #5C782A

monochromatic

#0A0D1D #1A214B #2A3578 #3A49A5 #5867C5

Accessibility & contrast

On white

11.18

#2A3578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2A3578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3578

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3578	#FFFFFF	#000000	##FFFFFF
##2A3578	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083F7A

Deuteranopia (green-blind)

#003877

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a3578;
/* rgb */ color: rgb(42, 53, 120);
/* oklch */ color: oklch(36.0% 0.114 272.3);

Tailwind

colors: {
  custom: {
    50: '#6c6c9f',
    500: '#2a3578',
    950: '#000000',
  },
}

SCSS

$custom: #2a3578;
$custom-light: #6c6c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3578",
  "rgb": {
    "r": 42,
    "g": 53,
    "b": 120
  },
  "hsl": {
    "h": 231.538,
    "s": 48.148,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3599,
    "c": 0.1144,
    "h": 272.3
  },
  "luminance": 0.04395
}

Semantic roles & 50–950 ramp

primary

#2A3578

secondary

#AA9E54

accent

#C550D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #2A3578

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →